Web sites for teaching numbers

This is a list of maths web sites that are useful for teaching number concepts.

Hundreds Charts

• Splat Squares 100 - a hundreds chart that you can mark squares on using virtual splats of paint, several colours available, good for lots of number exploration on the IWB.
• There are different versions available from the Oswego Maths Games Page.
• There is another great hundreds chart at crickweb.co.uk - the Crickweb Interactive Hundred Square.